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In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index?
1) Carbon dioxide
2) Carbon monoxide
3) Nitrogen dioxide
4) Sulfur dioxide
5) Methane
Select the correct answer using the code given below.
  • a)
    1, 2 and 3 only
  • b)
    2, 3 and 4 only
  • c)
    1, 4 and 5 only
  • d)
    1,2, 3, 4 and 5
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In the cities of our country, which among the following atmospheric ga...
Explanation: Carbon Dioxide and Methane are green house gases which are released into the atmosphere because of natural processes as well. These gases are not air pollutants unlike Carbon Monoxide, Sulfur Dioxide and Nitrogen Dioxide which pollute the air. Hence Carbon Dioxide and Methane are not part of Air Quality Index.
Educational Objective: To know aboutAir Quality Index.
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Most Upvoted Answer
In the cities of our country, which among the following atmospheric ga...
Explanation:

The Air Quality Index (AQI) is a measure used to assess and classify the quality of air in a particular area. It takes into account various atmospheric gases and pollutants that can have an impact on human health and the environment. In the cities of our country, the following atmospheric gases are normally considered in calculating the value of Air Quality Index:

1) Carbon monoxide (CO):
Carbon monoxide is a colorless, odorless gas that is produced by the incomplete combustion of fossil fuels. It is a common air pollutant in urban areas, particularly in areas with heavy traffic. High levels of carbon monoxide can be harmful to human health, leading to headaches, dizziness, and even death in extreme cases.

2) Nitrogen dioxide (NO2):
Nitrogen dioxide is a reddish-brown gas that is produced by the burning of fossil fuels, particularly in vehicles and power plants. It is a major contributor to air pollution and can have harmful effects on human health, especially for people with respiratory conditions. High levels of nitrogen dioxide can cause respiratory symptoms such as coughing and wheezing, and can also contribute to the formation of smog.

3) Sulfur dioxide (SO2):
Sulfur dioxide is a gas that is produced by the burning of fossil fuels, particularly in power plants and industrial processes. It is a major air pollutant and can have harmful effects on human health and the environment. High levels of sulfur dioxide can cause respiratory symptoms, especially for people with asthma or other respiratory conditions. It can also contribute to the formation of acid rain, which can have detrimental effects on ecosystems.

Therefore, the correct answer is option B) 2, 3, and 4 only, as carbon dioxide (CO2) and methane (CH4) are not specifically mentioned as gases considered in calculating the Air Quality Index in cities. While carbon dioxide and methane are important greenhouse gases that contribute to climate change, they are not typically included in the calculation of the Air Quality Index. The AQI primarily focuses on gases and pollutants that have immediate impacts on human health and the environment in urban areas.
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In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index?1) Carbon dioxide2) Carbon monoxide3) Nitrogen dioxide4) Sulfur dioxide5) MethaneSelect the correct answer using the code given below.a)1, 2 and 3 onlyb)2, 3 and 4 onlyc)1, 4 and 5 onlyd)1,2, 3, 4 and 5Correct answer is option 'B'. Can you explain this answer?
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